Re: [PATCH v3] tools/virtio/ringtest: fix run-on-all.sh to work without /dev/cpu

["Michael S. Tsirkin" <mst@redhat.com>]

It's queued in my tree and will be merged shortly.
Thanks!

On Mon, Jun 06, 2016 at 09:55:59AM +0300, Mike Rapoport wrote:
> Ping?
> 
> On Tue, May 24, 2016 at 03:41:33PM +0300, Mike Rapoport wrote:
> > Michael,
> > 
> > Any updates on this?
> > 
> > On Wed, May 04, 2016 at 01:15:50PM +0300, Mike Rapoport wrote:
> > > /dev/cpu is only available on x86 with certain modules (e.g. msr) enabled.
> > > Using lscpu to get processors count is more portable.
> > > 
> > > Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
> > > ---
> > > v3: simplify by using lscpu -p=cpu 
> > > v2: use lspcu instead of /proc/cpuinfo as per Cornelia's suggestion
> > > 
> > >  tools/virtio/ringtest/run-on-all.sh | 4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/tools/virtio/ringtest/run-on-all.sh b/tools/virtio/ringtest/run-on-all.sh
> > > index 52b0f71..2e69ca8 100755
> > > --- a/tools/virtio/ringtest/run-on-all.sh
> > > +++ b/tools/virtio/ringtest/run-on-all.sh
> > > @@ -3,10 +3,10 @@
> > >  #use last CPU for host. Why not the first?
> > >  #many devices tend to use cpu0 by default so
> > >  #it tends to be busier
> > > -HOST_AFFINITY=$(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n|tail -1)
> > > +HOST_AFFINITY=$(lscpu -p=cpu | tail -1)
> > > 
> > >  #run command on all cpus
> > > -for cpu in $(cd /dev/cpu; ls|grep -v '[a-z]'|sort -n);
> > > +for cpu in $(seq 0 $HOST_AFFINITY)
> > >  do
> > >  	#Don't run guest and host on same CPU
> > >  	#It actually works ok if using signalling
> > > -- 
> > > 1.9.1
> > > 
> > 
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